Yamaha Hatsudoki Kabushiki Kaisha

Yamaha Marine Kabushiki Kaisha

Noriyoshi Ichikawa

Takashi Okuyama

Makoto Ito

Masaru Suzuki

Isao Kanno

Makoto Mizutani

Shu Akuzawa

Eifu Watanabe

Takaaki Bamba

Takeshi Naito

Yoshihiro Mizushima

Akihiro Noma

Yuki Ikegaya

Hiroki Sato

Koei Kokubo

In an outboard motor, a controller controls an electric motor. An output outputs a predetermined notification information in response to a notification command signal output from the controller. When the controller receives a shut-off signal indicating that a semiconductor fuse is off, the controller outputs the notification command signal and causes the output to output notification information. When the controller receives a recovery operation signal indicating a predetermined operation performed by a user from an operator in a state where the semiconductor fuse has turned off, the controller outputs a recovery command signal to the semiconductor fuse.

Outboard motor

A controller controls a tilt-trim device under an automatic control mode such that the tilt-trim device automatically causes an outboard motor to continuously perform a tilt-trim motion within a motion range set in advance when an operation has been performed the plurality of times within the predetermined period of time. The controller deactivates the tilt-trim device when the outboard motor reaches either an upper limit or a lower limit of the motion range. The controller changes the motion range in accordance with a setting signal for setting the motion range when receiving the setting signal.

Tilt-trim system for outboard motor

A remote control outputs a remote control signal to operate an outboard motor. A joystick outputs a joystick signal to operate the outboard motor. A controller is configured or programmed to receive the remote control signal from the remote control and the joystick signal from the joystick, and to control shifting between forward movement and rearward movement by the outboard motor in response to operation of the remote control and the joystick. The controller executes first shift shock correction control when shifting between forward movement and rearward movement by the outboard motor in response to operation of the remote control. The controller executes second shift shock correction control different from the first shift shock correction control when shifting between forward movement and rearward movement by the outboard motor in response to operation of the joystick.

System for and method of operating watercraft

A control apparatus for a marine propulsion unit, which can activate an engine even when a computer system in an engine control unit is reset, includes a computer system arranged to actuate a starter motor using power from a battery on a hull in order to activate an engine, a reset state detection device arranged to detect a reset state of the computer system when the computer system is reset, and an analog circuit arranged to actuate the starter motor for a predetermined time period to activate the engine once the reset state is detected by the reset state detection device.

Control apparatus for marine propulsion unit

A marine vessel propulsion system includes a plurality of propulsion devices, each including a motor and a propeller rotated by the motor. The system further includes a common electric power supply switch arranged to be operated by an operator to turn on and off electric power supplies of the plurality of propulsion devices all at once, an electric power supply control unit arranged to put the electric power supplies of the respective propulsion devices in an on state all at once when the common electric power supply switch is turned on and to put the electric power supplies of the respective propulsion devices in an off state all at once when the common electric power supply switch is turned off, an abnormal state detection unit arranged to detect an abnormal state of each propulsion device, and a power transmission cutoff unit, which is arranged to, when an abnormal state of any of the propulsion devices is detected by the abnormal state detection unit, cut off transmission of power between the motor and the propeller of the propulsion device for which the abnormal state is detected.

Marine vessel propulsion system and marine vessel

A remote control apparatus for controlling multiple propulsion units of a boat is provided. The remote control apparatus, in one embodiment, comprises a body having a first control lever and a second control lever. An electronic control unit is disposed within the body of the remote control apparatus and comprises a storage device and a contact member. The storage device can store a correction value for calibrating the control levers, while the contact member determines when correction values can be entered into the storage device when the contact member is in an enabled state. The remote control apparatus can be calibrated before the apparatus is installed on the boat, thereby eliminating the need for an operator to calibrate the remote control apparatus. A boat having the remote control apparatus described herein and a method for storing a calibration value for the control lever are also provided.

Remote control apparatus for a boat

A remote control device for controlling a watercraft propulsion device of a watercraft having an engine that generates propulsive power can have a plurality of remote control device side ECUs. All of the plurality of remote control device side ECUs can have the same construction. Each remote control device side ECU can have an ECU discriminating terminal section, an ECU determining section configured to determine a role of the respective remote control device side ECU based upon a signal provided from the ECU discriminating terminal section, and an exclusive use section configured to operate based upon a signal provided from the ECU determining section to execute a function corresponding to the role that is specifically assigned.

Remote control device, remote control device side ECU and watercraft

An outboard motor of a watercraft can include a shifting mechanism for performing gear shifting among forward, neutral, and reverse positions. A shift actuator can be configured to drive the shifting mechanism. A shift position sensor can be configured to detect a position of the shift actuator with respect to the forward, neutral, and reverse positions. A controller can be configured to control the shift actuator in accordance with a signal provided from the shift position sensor. A start-regulation circuit can have a plurality of semiconductor devices configured to deactivate a starting motor of the engine when a starting switch of the engine is turned on in a state where a position other than neutral is detected by the shift position sensor.

Watercraft propulsion apparatus and watercraft

A remote control device for controlling a propulsion unit of a boat is provided. The remote control device comprises a main body having a shift lever. A housing board is coupled to the main body of the remote control device and extends in a downward direction. The housing board houses a remote control engine control unit that provides an operation output signal to the propulsion unit based on an operation input signal received from the shift lever. In one embodiment, an operator can access the remote control engine control unit from either a starboard side or a port side of the boat. The remote control device can include an additional housing board that is capable of being attached to and detached from the housing board that is coupled to the main body.

Remote control device for a boat

A remote control device can be provided in a watercraft equipped with at least three outboard motors for operating the outboard motors by remote control. The remote control device can have a pair of shift levers and can be provided with a detection device for detecting positions of the shift levers. A remote control-side ECU can control the outboard motorsby signals from the detection device. The remote control-side ECU can include a plurality of ECUs corresponding to the outboard motors. The detection device can include a plurality of detection devices for the outboard motors disposed on the sides of the stern of a hull and one for the outboard motor disposed between the side outboard motors. Each of the detection devices can be connected to a respective one of the remote control-side ECUs.

Growing community of inventors

Shizuoka, Japan

Noriyoshi Ichikawa